Vulnerability in Siemens Apogee Modular Building Controller
CVE-2021-31346
A vulnerability has been identified in Capital Embedded AR Classic 431-422 (All versions), Capital Embedded AR Classic R20-11 (All versions < V2303), PLUSCONTROL 1st Gen (All versions), SIMOTICS CONNECT 400 (All versions < V0.5.0.0), SIMOTICS CONNECT 400 (All versions < V1.0.0.0). The total length of an ICMP payload (set in the IP header) is unchecked. This may lead to various side effects, including Information Leak and Denial-of-Service conditions, depending on the network buffer organization in memory. (FSMD-2021-0007)
EPSS: 0.020 (79.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H.
Affected products
- Siemens Apogee_modular_building_controller
- Siemens Apogee_modular_building_controller_firmware
- Siemens Apogee_modular_equiment_controller
- Siemens Apogee_modular_equiment_controller_firmware
- Siemens Apogee_pxc_compact
- Siemens Apogee_pxc_compact_firmware
- Siemens Apogee_pxc_modular
- Siemens Apogee_pxc_modular_firmware
- Siemens Capital Embedded Ar Classic 431-422 — versions 0
- Siemens Capital Embedded Ar Classic R20-11 — versions 0
Weakness classification (CWE)
References
- productcert@siemens.com (x_refsource_MISC, Vendor Advisory)
- productcert@siemens.com (x_refsource_MISC, Vendor Advisory)
- productcert@siemens.com (x_refsource_MISC)
- productcert@siemens.com (x_refsource_MISC)
- productcert@siemens.com (x_refsource_MISC)
- productcert@siemens.com
- productcert@siemens.com
- productcert@siemens.com
- productcert@siemens.com
- productcert@siemens.com
Frequently asked questions
- What is CVE-2021-31346?
- CVE-2021-31346 is a high-severity vulnerability in Siemens Apogee Modular Building Controller, classified under Improper Validation of Specified Quantity in Input. CVSS score: 8.2/10. Published 2021-11-09.
- How severe is CVE-2021-31346?
- High severity. CVSS v3 base score is 8.2 out of 10.